CN209156883U - A kind of round tube expander mold - Google Patents
A kind of round tube expander mold Download PDFInfo
- Publication number
- CN209156883U CN209156883U CN201821752570.6U CN201821752570U CN209156883U CN 209156883 U CN209156883 U CN 209156883U CN 201821752570 U CN201821752570 U CN 201821752570U CN 209156883 U CN209156883 U CN 209156883U
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- China
- Prior art keywords
- expander
- hole
- round tube
- plug
- fixing seat
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Abstract
The utility model relates to a kind of mold, especially a kind of round tube expander mold, including cope plate and lower template；Positioning column is fixed in lower template, and round tube activity is inserted on positioning column；Expander external mold is fixed on the bottom of cope plate, and the bottom of expander external mold is equipped with expander hole, expander hole and positioning column coaxial line；Expander plug is inserted in expander hole, and one end of expander plug is expander end, and the other end passes through cope plate and is mounted in fixing seat, expander plug and positioning column coaxial line；The connection of the bottom of fixing seat and upper die holder, the bottom of fixing seat and the top of cope plate connect, and fixing seat is equipped with connection through-hole, it connects sliding in through-hole and connecting column is housed, connecting column is between lifting column and stripper ring, and the top of lifting column is equipped with hydraulic cylinder, and hydraulic cylinder is fixed on upper die holder；Stripper ring is slidably mounted between expander plug and expander external mold.The mold can reach that design requirement, de- material are easy, structure is simple, easy to use after concentricity, molding without adjusting.
Description
Technical field
The utility model relates to a kind of mold, especially a kind of round tube expander mold.
Background technique
Steering column for vehicles is process for round tube, and one end of steering column needs to carry out expander.Current expander mold expander
The concentricity at end is poor, needs to carry out a large amount of debugging efforts before production.Diameter tolerance band is larger after expander, about positive and negative 0.2mm,
Trimming is needed, can be only achieved design requirement.After expander, easy mold release, does not expend working hour.
Utility model content
To solve the above problems, the utility model provides and a kind of can reach design without adjusting after concentricity, molding and want
It asks, a kind of easy round tube expander mold of de- material, the specific technical proposal is:
A kind of round tube expander mold, including cope plate and lower template；Further include positioning column, expander external mold, expander plug, consolidate
Reservation, stripper ring and lifting column；The positioning column is fixed in lower template, and round tube activity is inserted on positioning column；Outside the expander
Mould is fixed on the bottom of cope plate, and the bottom of expander external mold is equipped with expander hole, the expander hole and positioning column coaxial line；The expansion
Core rod is inserted in expander hole, and one end of expander plug is expander end, and the other end passes through cope plate and is mounted in fixing seat, expander
Plug and positioning column coaxial line；The bottom of the fixing seat and upper die holder connects, and connects at the top of the bottom of fixing seat and cope plate
It connects, the fixing seat is equipped with connection through-hole, and sliding is equipped with connecting column in the connection through-hole, and the connecting column is located at lifting column
Between stripper ring, the top of the lifting column is equipped with hydraulic cylinder, and the hydraulic cylinder is fixed on upper die holder；The stripper ring is sliding
It is dynamic to be mounted between expander plug and expander external mold.
By using above-mentioned technical proposal, expander external mold and the cooperation of expander plug carry out expander, and expander plug is squeezed
Expander, the shape and size of the expander hole control expander of expander external mold, makes round tube expander one-pass molding, and tolerance is ± 0.05mm,
Precision is greatly improved, process is reduced, reduces production cost.
Expander plug is coaxially set with positioning column, makes concentricity, i.e. concentricity is good, does not need to debug.
The diameter of positioning column is slightly less than the internal diameter of round tube, places round tube easily and fast.
Stripper ring presses down round tube under the action of hydraulic cylinder from expander plug, realize de- material, due to expander hole with
The effect of expander plug, the enlarged tube portion of round tube is also unlikely to deform when de- material.
Preferably, the bottom of the positioning column is equipped with positioning plate, and the positioning plate is fixed in lower template.
By using above-mentioned technical proposal, positioning plate and positioning column are integrally formed, and positioning plate can carry round tube, make round tube
End face uniform force.
Preferably, the expander end of the expander plug is equipped with guide post, and the diameter of the guide post is interior no more than round tube
Diameter.
By using above-mentioned technical proposal, guide post is first contacted with round tube, carries out correcting to round tube.Guide post and expander core
The connection of stick arc transition, diameter are gradually increased, that is, expander end are formed, to realize the expander of round tube.
Preferably, the top of the expander external mold is equipped with material demoulding hole, the material demoulding hole and expander hole coaxial line, and material demoulding hole
It is communicated with expander hole, the diameter of material demoulding hole is greater than the diameter in expander hole；
The stripper ring includes connection ring and stripping pipe, and the connection ring is located in material demoulding hole, and the stripping pipe, which is located at, to expand
Between pore and expander plug.
By using above-mentioned technical proposal, the wall thickness of stripping pipe is the wall thickness of round tube, therefore stripping pipe is relatively thin, intensity compared with
Difference, when stripping pipe is directly contacted with connecting column, connecting column is easy to deform the top squeeze for the pipe that falls off, and connection ring increases by force
Degree, is unlikely to deform stripping pipe.Material demoulding hole is for accommodating connection ring.
Preferably, the bottom of the fixing seat is equipped with location hole and threaded hole, location hole and threaded hole coaxial line, location hole
Diameter it is consistent with the axis of expander plug；The center of the expander plug is equipped with screw hole, and expander plug is fixed by screw
In location hole.
By using above-mentioned technical proposal, location hole is used to limit the position of expander plug, to ensure that expander plug
On the same axis with positioning column.
Preferably, the top of the fixing seat is equipped with lift span, and sliding is equipped with lifting column, the bottom of lift span in lift span
Equipped with connection through-hole, sliding is equipped with connecting column in the connection through-hole.
By using above-mentioned technical proposal, the top of fixing seat is connect with upper die holder, and lift span accommodates lifting column, to drop
The low whole height of mold.
Compared with prior art the utility model has the following beneficial effects:
A kind of round tube expander mold provided by the utility model can reach design after concentricity, molding and want without adjusting
It asks, de- material is easy, structure is simple, easy to use.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the original state of the utility model；
Fig. 2 is that the utility model falls off the schematic diagram of the section structure of state；
Fig. 3 is the configuration schematic diagram of expander external mold, expander plug, fixing seat, stripper ring and lifting column.
Specific embodiment
Now in conjunction with attached drawing, the utility model is described in further detail.
As shown in Figure 1 to Figure 3, a kind of round tube expander mold, including cope plate 23 and lower template 24；It is equipped on cope plate 23
Guide sleeve 21, guide post 22 is equipped in lower template 24, and 22 activity of guide post is inserted in guide sleeve 21；Further include positioning column 81, expander external mold 6,
Expander plug 7, fixing seat 3, stripper ring 5 and lifting column 41；Positioning column 81 is fixed in lower template 24, and 9 activity of round tube is inserted in fixed
On the column 81 of position；Expander external mold 6 is fixed on the bottom of cope plate 23, and the bottom of expander external mold 6 is equipped with expander hole 61, expander hole 61 with
81 coaxial line of positioning column；Expander plug 7 is inserted in expander hole 61, and one end of expander plug 7 is expander end, and the other end passes through upper mold
Plate 23 is mounted in fixing seat 3, expander plug 7 and 81 coaxial line of positioning column；Fixing seat 3 is connect with the bottom of upper die holder 1, fixed
The bottom of seat 3 is connect with the top of cope plate 23, and fixing seat 3, which is equipped with, connects through-hole 32, and sliding is equipped with company in connection through-hole 32
Column 42 is connect, for connecting column 42 between lifting column 41 and stripper ring 5, the top of lifting column 41 is equipped with hydraulic cylinder 11, hydraulic cylinder 11
It is fixed on upper die holder 1；Stripper ring 5 is slidably mounted between expander plug 7 and expander external mold 6.
Expander external mold 6 and the cooperation of expander plug 7 carry out expander, and expander plug 7 carries out extruding expander, the expansion of expander external mold 6
Pore 61 controls the shape and size of expander, makes 9 expander one-pass molding of round tube, and tolerance is ± 0.05mm, greatly improves essence
Degree, reduces process, reduces production cost.
Expander plug 7 is coaxially set with positioning column 81, makes concentricity, i.e. concentricity is good, does not need to debug.
The diameter of positioning column 81 is slightly less than the internal diameter of round tube 9, places round tube 9 easily and fast.
Stripper ring 5 presses down round tube 9 under the action of hydraulic cylinder 11 from expander plug 7, de- material is realized, due to expander
The effect in hole 61 and expander plug 7, the enlarged tube portion of round tube 9 is also unlikely to deform when de- material.
The bottom of positioning column 81 is equipped with positioning plate 82, and positioning plate 82 is fixed in lower template 24.Positioning plate 82 and positioning column
81 are integrally formed, and positioning plate 82 can carry round tube 9, make the end face uniform force of round tube 9.
The expander end of expander plug 7 is equipped with guide post 71, and the diameter of guide post 71 is less than the internal diameter of round tube 9.Guide post 71
It is first contacted with round tube 9, correcting is carried out to round tube 9.
The top of expander external mold 6 is equipped with material demoulding hole 62, material demoulding hole 62 and 61 coaxial line of expander hole, and material demoulding hole 62 and expander
Hole 61 communicates, and the diameter of material demoulding hole 62 is greater than the diameter in expander hole 61；Stripper ring 5 includes connection ring 52 and stripping pipe 51, connection
Ring 52 is located in material demoulding hole 62, and stripping pipe 51 is between expander hole 61 and expander plug 7.
The wall thickness of stripping pipe 51 is the wall thickness of round tube 9, therefore stripping pipe 51 is relatively thin, and intensity is poor, stripping pipe 51 directly with
When connecting column 42 contacts, connecting column 42 is easy for be squeezed and deformed the end for the pipe 51 that falls off, and connection ring 52 increases intensity, makes de- material
Pipe 51 is unlikely to deform.Material demoulding hole 62 is for accommodating connection ring 52.
The bottom of fixing seat 3 is equipped with location hole 33 and threaded hole 34,34 coaxial line of location hole 33 and threaded hole, location hole 33
Diameter it is consistent with the axis of expander plug 7；The center of expander plug 7 is equipped with screw hole 72, and expander plug 7 is fixed by screw
In location hole 33.Location hole 33 is used to limit the position of expander plug 7, to ensure that expander plug 7 and positioning column 81 exist
On same axis.
The top of fixing seat 3 is equipped with lift span 31, and sliding is equipped with lifting column 41 in lift span 31, and the bottom of lift span 31 is set
There is connection through-hole 32, sliding is equipped with connecting column 42 in connection through-hole 32.The top of fixing seat 3 is connect with upper die holder 1, lift span 31
Lifting column 41 is accommodated, to reduce the whole height of mold.
When work, by one end insertion positioning column 81 of round tube 9, cope plate 23 is driven under expander external mold 6 and expander plug 7
Drop, guide post 71 are introduced into the inside of round tube 9, keep round tube 9 in a vertical state, and then expander end carries out expander, and expander exists
It is carried out between expander plug 7 and the expander hole 61 of expander external mold 6, i.e., round tube 9 is expanded according to constraint space.Expander is completed
Afterwards, expander plug 7 is moved up with the round tube 9 after expander, and round tube 9 is separated with positioning column 81, after cope plate 23 rises in place,
Hydraulic cylinder 11 starts, and the piston rod of hydraulic cylinder 11 pushes lifting column 41, and lifting column 41 is pushed under stripper ring 5 by connecting column 42
Drop, the stripping pipe 51 of stripper ring 5 eject round tube 9 from expander hole 61 and expander plug 7, realize 9 de- material of round tube, hydraulic cylinder 11
It resets, then worker takes the round tube 9 of forming away, places into new round tube 9 and carries out expander, stripping pipe 51 is multiple upwards in round tube expander
Position.
Claims (6)
1. a kind of round tube expander mold, including cope plate (23) and lower template (24)；
It is characterized in that, further include positioning column (81), expander external mold (6), expander plug (7), fixing seat (3), stripper ring (5) and
Lifting column (41)；
The positioning column (81) is fixed on lower template (24), and round tube (9) activity is inserted on positioning column (81)；
The expander external mold (6) is fixed on the bottom of cope plate (23), and the bottom of expander external mold (6) is equipped with expander hole (61), institute
State expander hole (61) and positioning column (81) coaxial line；
The expander plug (7) is inserted in expander hole (61), and one end of expander plug (7) is expander end, and the other end passes through upper mold
Plate (23) is mounted on fixing seat (3), expander plug (7) and positioning column (81) coaxial line；
The fixing seat (3) connect with the bottom of upper die holder (1), and the bottom of fixing seat (3) is connect with the top of cope plate (23),
The fixing seat (3) is equipped with connection through-hole (32), and sliding is equipped with connecting column (42) in the connection through-hole (32), the connection
Column (42) is located between lifting column (41) and stripper ring (5), and the top of the lifting column (41) is equipped with hydraulic cylinder (11), the liquid
Cylinder pressure (11) is fixed on upper die holder (1)；
The stripper ring (5) is slidably mounted between expander plug (7) and expander external mold (6).
2. a kind of round tube expander mold according to claim 1, which is characterized in that
The bottom of the positioning column (81) is equipped with positioning plate (82), and the positioning plate (82) is fixed on lower template (24).
3. a kind of round tube expander mold according to claim 1, which is characterized in that
The expander end of the expander plug (7) is equipped with guide post (71), and the diameter of the guide post (71) is no more than round tube (9)
Internal diameter.
4. a kind of round tube expander mold according to claim 1, which is characterized in that
The top of the expander external mold (6) is equipped with material demoulding hole (62), the material demoulding hole (62) and expander hole (61) coaxial line, and de-
Material hole (62) is communicated with expander hole (61), and the diameter of material demoulding hole (62) is greater than the diameter of expander hole (61)；
The stripper ring (5) includes connection ring (52) and stripping pipe (51), and the connection ring (52) is located in material demoulding hole (62), institute
Stripping pipe (51) is stated to be located between expander hole (61) and expander plug (7).
5. a kind of round tube expander mold according to claim 1, which is characterized in that
The bottom of the fixing seat (3) is equipped with location hole (33) and threaded hole (34), and location hole (33) and threaded hole (34) are coaxial
The diameter of line, location hole (33) is consistent with the axis of expander plug (7)；
The center of the expander plug (7) is equipped with screw hole (72), and expander plug (7) is fixed by screws in location hole (33)
In.
6. a kind of round tube expander mold according to claim 1, which is characterized in that
The top of the fixing seat (3) is equipped with lift span (31), and sliding is equipped with lifting column (41) in lift span (31), lift span
(31) bottom is equipped with connection through-hole (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821752570.6U CN209156883U (en) | 2018-10-26 | 2018-10-26 | A kind of round tube expander mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821752570.6U CN209156883U (en) | 2018-10-26 | 2018-10-26 | A kind of round tube expander mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209156883U true CN209156883U (en) | 2019-07-26 |
Family
ID=67335389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821752570.6U Active CN209156883U (en) | 2018-10-26 | 2018-10-26 | A kind of round tube expander mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209156883U (en) |
-
2018
- 2018-10-26 CN CN201821752570.6U patent/CN209156883U/en active Active
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